<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<title>test column</title>

<style type="text/css"> 
   *{

margin: 0;

padding: 0;

}

#left {

float: left;

width: 220px;

background-color:  rgb(237, 233, 234);
height: 170px;

}

#content {

background-color: rgb(211, 204, 245);

margin-left: 220px;/*==等于左边栏宽度==*/
height: 170px;
} 
</style>
</head>
<body>
<div id="left">Left sidebar</div>

<div id="content">Main Content</div>

	<script type="text/javascript">
			
	</script>
</body>
</html>